package demo.repository;

import demo.model.User;

import java.util.List;

/**
 * @author RDSunday
 * @create 2020-08-17 10:47
 **/
public interface  UserMapper {
    User selectByPrimaryKey(long id);
    // 列出用户，对应xml映射文件元素的ID
    List<User> selectUser();

}
